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Cleanrooms and associated controlled environments - Part 1: Classification of air cleanliness (ISO 14644-1:1999)

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Standard Number NBN EN ISO 14644-1:1999
Organization Bureau for Standardisation
Level National
Category Specification
Status
  • JUL 1999 Published
  • JAN 2016 Withdrawn
ABSTRACT
This Part of this European Standard specifies the classification of particulate cleanliness for cleanrooms and clean air controlled spaces in three possible occupancy states according to the number concentration of airborne particulate matter present.